CN102114589A - Manufacturing method and product of lead-free copper water outlet pipe - Google Patents
Manufacturing method and product of lead-free copper water outlet pipe Download PDFInfo
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- CN102114589A CN102114589A CN2009102389992A CN200910238999A CN102114589A CN 102114589 A CN102114589 A CN 102114589A CN 2009102389992 A CN2009102389992 A CN 2009102389992A CN 200910238999 A CN200910238999 A CN 200910238999A CN 102114589 A CN102114589 A CN 102114589A
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- intake end
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Abstract
The invention discloses a manufacturing method and a product of a lead-free copper water outlet pipe, can solve various problems in the conventional manufacturing method and the product of a lifting hole-containing water outlet pipe, and particularly provides a manufacturing method of preforming a lead-free copper pipe and loading the preformed lead-free copper pipe into a bulged copper outer tube to serve as an inside water outlet channel. The scheme of the preferable manufacturing method is that: a lead-free copper pipe and a preformed water inlet end joint are welded with each other, and are loaded into a hydraulically bulged copper outer pipe on which a lifting rod-containing inlet hole is preformed; and the opposite ends of the water inlet end joint and the copper outer pipe are welded, and a water outlet end joint is welded on the opposite ends of the copper outer pipe and the lead-free copper pipe in turn so as to complete manufacturing a lead-free copper water outlet pipe product. The manufacturing method is easy and low in welding difficulty, product yield and production efficiency can be dramatically improved, safe water quality can be ensured, and lead pollution is avoided.
Description
Technical field
The present invention relates to a kind of water outlet member, specifically, be meant a kind of can being installed on the faucet body, and be applicable to no lead bronze outlet pipe manufacture method of lifting rod and products thereof.
Background technology
Existing single-grip or the double handle watertap discharging tube that contains lifting rod, all include a copper outer tube, its production method roughly is divided into two kinds, first kind is adopted common forging type, but its product surface is easy to generate defective, and manufacture method is numerous and diverse, the fraction defective height, and cause environmental pollution easily, so more and more dealer adopts second kind hydraulic expanding-forming technology to make, in order to address the above problem.
When utilizing the above-mentioned hydraulic expanding-forming outer tube 11 that is the curved arc shape to produce water pipe 10, as shown in Figure 1, it need weld a dividing plate 12 again near water intake end inside, make the inner side of water intake end be isolated a space 13 in addition, and be drilled with a hole 14 at this outer tube 11 with respect to the position, top in this space 13 and be communicated with these spaces 13, make this hole 14 and space 13 be able to common formation one and lift hole 15, and can pass through thus for a lifting rod, again respectively at outer tube 11 water intake ends and place, water side welding one joint 16,17, can finish this outlet pipe 10 at last.
The above-mentioned outlet pipe 10 that utilizes hydraulic expanding-forming outer tube 11 to form, though can form in inside and exhalant canals 18 that lift hole 15 mutual isolation, but owing to adopt inclined-plane welding bearing reason between these dividing plate 12 tops and outer tube 10 opposed inner walls faces, so welding is difficult for, and pad is many, cause infiltration because of failure welding easily, cause the product fraction defective high, the high heat of welding process generation simultaneously also makes outer tube produce distortion easily, the particularly general wall thickness of hydraulic expanding-forming outer tube before bulging is about 1.5mm, wall thickness behind the bulging has only 0.7～1.5mm, and such thin-walled is welded high heat really easily and produces distortion, simultaneously, face of weld also can cause not attractive in appearance.Go out for avoiding exhalant canal 18 inwalls of above-mentioned copper outer tube 11 and weld in use to produce scorification in addition, cause water pollution, also will wash plumbous the processing usually, also can improve the man-hour and the cost of making.So existing single-grip or double handle water discharge of water faucet tubular construction and manufacture method about containing lifting rod all has its many shortcoming to wait to solve and overcome.
Summary of the invention
Main purpose of the present invention is to provide a kind of no lead bronze outlet pipe manufacture method and products thereof, and not only manufacture method is simple, and has reduced the welding difficulty, product yield and production efficiency is significantly promoted, and can guarantee water quality safety, and do not have the doubt of lead contamination.
For reaching above-mentioned purpose, the invention provides a kind of no lead bronze outlet pipe manufacture method, comprise following method step:
A, mold a copper outer tube with the hydraulic expanding-forming technology in advance, make described outer tube two ends be formed with a water intake end and a water side respectively;
B, run through a lifting rod at described outer tube near processing on the outside wall surface at water intake end place and enter the hole;
C, mold a water intake end joint and a water side joint in advance; Be formed with an entry interface and the lifting rod hole that stretches through on the described water intake end joint, be formed with a water outlet interface on the joint of described water side;
D, moulding in advance make the inner exhalant canal that forms of described copper pipe as the unleaded copper pipe that exhalant canal uses, and two ends are formed with a water intake end and a water side respectively;
E, with the mutual intercalation welding of the entry interface of the water intake end of above-mentioned copper pipe and described water intake end joint, or the water side of above-mentioned copper pipe welded with the mutual intercalation of the water outlet interface of this water side joint;
F, the soldered copper pipe of an above-mentioned end is penetrated described outer tube inside, afterwards, water intake end joint on the end that described copper pipe is soldered or water side joint are welded to each other with relative outer tube water intake end opening or water side opening;
G, above-mentioned not soldered as yet water intake end joint or water side joint are welded to each other with above-mentioned relative outer tube water intake end opening or water side opening, or with the entry interface of above-mentioned not soldered as yet water intake end joint or the water outlet interface and the mutual intercalation welding of above-mentioned relative copper pipe water intake end or water side of water side joint;
H, carry out the surface treatment of outer tube and welding position, can finish above-mentioned no lead bronze outlet pipe product.
The surface treatment of described no lead bronze outlet pipe manufacture method comprises that in regular turn one removes the acid pickling step and a surface finish step of greasy dirt.
Before copper pipe two ends in the described no lead bronze outlet pipe manufacture method were not soldered as yet, the preferential selection was welded to each other the entry interface of its water intake end and described water intake end joint.
Water side joint in the described no lead bronze outlet pipe manufacture method is not before soldered as yet, and preferential the selection is welded to each other it with relative outer tube water side opening.
Unleaded copper pipe in the described no lead bronze outlet pipe manufacture method is a copper tube.
Go into water swivel and water side joint all respectively by unleaded copper rod machine-shaping in the described no lead bronze outlet pipe manufacture method.
The present invention provides a kind of no lead bronze outlet pipe in addition, comprising:
One copper outer tube, with the one-body molded curved arc shape that is of hydraulic expanding-forming technology, its inside has a chamber passage, and these chamber passage two ends are formed with a water intake end opening and a water side opening respectively, and described copper outer tube wall above relative this water intake end opening part is provided with a lifting rod and enters the hole;
One water intake end joint has an entry interface and the lifting rod hole that stretches through on it; Described water intake end joint can weld together with the water intake end opening of above-mentioned copper outer tube is mutually nested, and described lifting rod is stretched through, and to enter the hole relative for the lifting rod of above-mentioned copper outer tube of Kong Yuqi top;
One water side joint has a water outlet interface on it; Described water side joint can weld together with the water side opening of above-mentioned copper outer tube is mutually nested;
One water outlet copper pipe is made by unleaded copper pipe and to be the curved arc shape, makes the inner exhalant canal that forms of described copper pipe, and two ends are formed with a water intake end and a water side respectively; Described water intake end can weld together with the mutual intercalation of entry interface of above-mentioned water intake end joint, and described water side then welds together with the mutual intercalation of water outlet interface of above-mentioned water side joint.
The water intake end joint of described no lead bronze outlet pipe bottom is concaved with the hole slot that is spirally connected, these bolt apertures bottom land wall central authorities have provided a hole, can be in order to define above-mentioned entry interface, after the mutual intercalation welding of the water intake end of above-mentioned copper pipe and described entry interface, its bottom edge flushes mutually with the diapire face of this hole slot that is spirally connected.
The water side joint bottom of described no lead bronze outlet pipe is concaved with the hole slot that is spirally connected, the diapire central authorities of this hole slot that is spirally connected have provided a hole, can be in order to define above-mentioned water outlet interface, after the mutual intercalation welding of the water side of above-mentioned copper pipe and described water outlet interface, its bottom edge flushes mutually with the diapire face of the described hole slot that is spirally connected.
The water intake end joint and the water side joint of described no lead bronze outlet pipe all adopt unleaded copper product.
The present invention does not have lead bronze outlet pipe manufacture method, owing to adopt the copper outer tube of hydraulic expanding-forming fabrication techniques, thus compared to known casting method, have the light characteristic of amount of fine quality, and the stock utilization height, processing procedure is pollution-free.Secondly, also need not adopt known dividing plate welding, so can reduce the welding difficulty significantly, make manufacture method more simple, the yield of product and production efficiency also can be promoted significantly.
The no lead bronze outlet pipe product that the present invention adopts above-mentioned manufacture method to finish, because the copper pipe that the unleaded copper product of employing is made is as exhalant canal, and the water intake end joint and the water side joint that are fixed in the copper pipe two ends are made by unleaded copper product equally, so can guarantee the safety of water quality, and not have the doubt of lead contamination.Above-mentioned inside body as exhalant canal adopts copper pipe to see through and welds and fixes in water intake end joint and water side joint, can guarantee the structural strength of junction, makes it be applicable to higher water flow pressure.
Description of drawings
Fig. 1 is the side cutaway view of known outlet pipe;
Fig. 2 does not have the block flow diagram of lead bronze outlet pipe manufacture method for the present invention;
Fig. 3 does not have the three-dimensional exploded view of lead bronze outlet pipe for the present invention;
Fig. 4 is the entry interface of water intake end joint of the present invention and the Assembly Action schematic diagram of unleaded copper pipe water intake end;
The Assembly Action schematic diagram that Fig. 5 penetrates from copper outer tube water intake end for the unleaded copper pipe of the present invention;
Fig. 6 is the Assembly Action schematic diagram of joint copper relatively outer tube water side, water side of the present invention and unleaded copper pipe water side;
Fig. 7 does not have the outward appearance constitutional diagram of lead bronze outlet pipe for the present invention;
Fig. 8 does not have the side cutaway view of lead bronze outlet pipe for the present invention.
10 outlet pipes
11 outer tubes, 12 dividing plates
13 spaces, 14 holes
15 lift hole 16 joints
17 joints, 18 exhalant canals
20 copper outer tubes
21 chamber passage, 22 water intake ends
221 openings, 23 water sides
231 openings, 24 lifting rods enter the hole
30 water intake end joints
31 entry interfaces 311 hole slot that is spirally connected
The 32 lifting rods hole that stretches through
40 water side joints
41 water outlet interfaces 411 hole slot that is spirally connected
50 copper pipes
51 exhalant canals, 52 water intake ends
53 water sides
60 outlet pipes
The specific embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
As Fig. 2,3, the invention provides a kind of preferred embodiment of not having lead bronze outlet pipe manufacture method, mainly comprise following method step:
The hydraulic expanding-forming moulding of a, a copper outer tube 20: promptly mold a copper outer tube 20 with the hydraulic expanding-forming technology in advance, make described outer tube 20 inside be formed with a chamber passage 21, and two ends are formed with a water intake end 22 and a water side 23 respectively, respectively define an opening 221,231 on described water intake end 22 and the water side 23.
The machine-shaping that b, a lifting rod enter hole 24: promptly run through a lifting rod near processing on the outside wall surface at water intake end 22 places and enter hole 24 at described outer tube 20.
The machine-shaping of c, a water intake end joint 30 and a water side joint 40: promptly utilize the machining moulding to go out a water intake end joint 30 and a water side joint 40 with unleaded copper rod respectively in advance; Be formed with an entry interface 31 and the lifting rod hole 32 that stretches through on the wherein said water intake end joint 30, and described entry interface 31 bottoms are communicated with the hole slot 311 that is spirally connected; Be formed with a water outlet interface 41 on the described water side joint 40, and these water outlet interface 41 bottoms are communicated with the hole slot 411 that is spirally connected.
The machine-shaping of d, a unleaded copper pipe 50: promptly utilize the machining moulding to go out the unleaded copper pipe 50 that one section predetermined length is the curved arc shape in advance, make its interior bone be defined an exhalant canal 51, use for water outlet, and two ends are formed with a water intake end 52 and a water side 53 respectively; The unleaded copper pipe 50 of present embodiment adopts copper tube.
E, be welded to each other copper pipe 50 and water intake end joint 30 fixing: be welded to one another after the water intake end 52 that is about to above-mentioned copper pipe 50 and the entry interface 31 mutual intercalations of described water intake end joint 30 and be fixed together, as shown in Figure 4.
F, be welded to each other water intake end joint 30 and copper outer tube 20 fixing: the water side 53 that is about to above-mentioned copper pipe 50 penetrates in the internal chamber passage 21 from the water intake end 22 of described copper outer tube 20, as shown in Figure 5, again that described water intake end joint 30 and described copper outer tube 20 is relative water intake end 22 openings 221 are welded to one another after mutually nested and are fixed together.
G, be welded to each other fixing with copper outer tube 20 water side joint 40: be about to water side 23 openings 231 of described water side joint 40 and described copper outer tube 20 and be welded to one another after mutually nested and be fixed together, as shown in Figure 6.
H, be welded to each other fixing with water side joint 40 copper pipe 50: be weldingly fixed on each other after the water side 53 that is about to described copper pipe 50 and the water outlet interface 41 mutual intercalations of described water side joint 40.
I, surface treatment: be about to described outer tube 20 and carry out surface treatment with each welding position, the surface treatment of present embodiment comprises that one removes the acid pickling step and a surface finish step of greasy dirt, after above-mentioned surface treatment finishes, can finish above-mentioned no lead bronze outlet pipe 60 products, shown in Fig. 7,8.
As Fig. 2,3, the outlet pipe manufacture method of the above-mentioned preferred embodiment of the present invention, mainly be before these copper pipe 50 two ends are not soldered as yet, just before step e, the preferential selection is welded to each other the entry interface 31 of its water intake end 52 with described water intake end joint 30, and before described water side joint 40 was not soldered as yet, just before step g, the preferential selection was welded to each other it with relative outer tube 20 water sides 23 openings 231.But not as limit, the way that other can be expected easily, before being included in above-mentioned steps e, select earlier the water side 53 of copper pipe 50 and the water outlet interface 41 of described water side joint 40 to be welded to each other, again in regular turn with its water intake end 52 after the water side of described copper outer tube 20 23 openings 231 penetrate internal chamber passage 21, select immediately to carry out following any way: first kind of way is that described water intake end joint 30 is fixed with relative copper outer tube 20 water intake ends 22 openings 221 mutually nested welding, again that copper pipe 50 water intake ends 52 are fixing with the entry interface 31 mutual intercalation welding of described water intake end joint 30, and finish above-mentioned no lead bronze outlet pipe 60 products.Second kind of way is that the entry interface 31 of described water intake end joint 30 is fixing with relative copper pipe 50 water intake ends 52 mutual intercalation welding, again described water intake end joint 30 is fixed with relative copper outer tube 20 water intake ends 22 openings 221 mutually nested welding, can be finished above-mentioned no lead bronze outlet pipe 60 products equally.
The no lead bronze outlet pipe manufacture method of the various embodiments described above of the present invention, can go out a no lead bronze outlet pipe 60 in order to the type of being made into, shown in Fig. 2,7 and 8, mainly comprise a copper outer tube 20, a water intake end joint 30, a water side joint 40 and water outlet copper pipe 50; Wherein:
Described copper outer tube 20, with the one-body molded curved arc shape that is of hydraulic expanding-forming technology, its inside has a chamber passage 21, these chamber passage 21 two ends are formed with a water intake end opening 22 and a water side opening 23 respectively, and described copper outer tube 20 wall above relative these water intake end opening 211 places is provided with a lifting rod and enters hole 24.
Described water intake end joint 30 is processed into unleaded copper rod, has an entry interface 31 and the lifting rod hole 32 that stretches through on it; Described water intake end joint 30 can weld together with water intake end 22 openings 221 of above-mentioned copper outer tube 20 are mutually nested, and described lifting rod is stretched through, and to enter hole 24 roughly relative for hole 32 and the lifting rod of the above-mentioned copper outer tube 20 of its top.Water intake end joint 30 bottoms of present embodiment are concaved with the hole slot 311 that is spirally connected, and these hole slot 311 diapire central authorities that are spirally connected have provided a hole, can be in order to define above-mentioned entry interface 31.
Described water side joint 40 is processed into unleaded copper rod, has a water outlet interface 41 on it; Described water side joint 40 can weld together with water side 23 openings 231 of above-mentioned copper outer tube 20 are mutually nested.Water side joint 40 bottoms of present embodiment are concaved with the hole slot 411 that is spirally connected, and the diapire central authorities of this hole slot 411 that is spirally connected have provided a hole, can be in order to define above-mentioned water outlet interface 41.
Described water outlet is with copper pipe 50, made by unleaded copper pipe to be the curved arc shape, makes the described copper pipe 50 inner exhalant canals 51 that form, and two ends are formed with a water intake end 52 and a water side 53 respectively; Described water intake end 52 can weld together with the entry interface 31 mutual intercalations of above-mentioned water intake end joint 30, and the 53 water outlet interface 41 mutual intercalations with above-mentioned water side joint 40 in described water side weld together.After copper pipe 50 water intake ends 52 of present embodiment weld with above-mentioned entry interface 31 mutual intercalations, its bottom edge roughly flushes mutually with the diapire face of this hole slot 311 that is spirally connected, after welded with above-mentioned water outlet interface 41 mutual intercalations its water side 53 in addition, its bottom edge equally roughly flushed mutually with the diapire face of this hole slot 411 that is spirally connected.
The above-mentioned no lead bronze outlet pipe manufacture method of the present invention adopts the hydraulic expanding-forming technology to make copper outer tube 20, compared to known casting method, has the light characteristic of amount of fine quality, can improve the utilization rate of material simultaneously, and manufacturing process can not produce pollution.
Above-mentioned manufacture method need not adopt the higher dividing plate welding of known welding degree of difficulty yet, so can reduce the difficulty and the mortality of welding significantly, and improve the yield and the production efficiency of product significantly, whole manufacture method is simplified, the known relatively dividing plate top weld of copper outer tube 20 of while, also not can because of face of weld cause not attractive in appearance, and can guarantee the surface aesthetic property.
No lead bronze outlet pipe 60 products that the present invention adopts above-mentioned manufacture method to finish, its exhalant canal 51 is to be provided by the copper pipe 50 inner pores that are installed in these copper outer tube 20 inside, because described copper pipe 50 adopts unleaded copper product to make, so can guarantee that the water quality of passing through thus is unlikely because scorification goes out, and suffer lead contamination, add the water intake end joint 30 and water side joint 40 that are welded in described copper pipe 50 two ends, equally also be made by unleaded copper product, therefore, further guaranteed the safety of water quality, and without any the doubt of lead contamination.
Inside body as exhalant canal 51 of the present invention adopts copper pipe 50 to fix in water intake end joint 30 and water side joint 40 through welding, but not adopt existing common plastic tube body, for example many purifiers, the pvc pipe that reverse osmosis equipment extensively adopts, main cause is that this pvc plastic tube body structural strength is relatively poor, and can't be with welding manner and water intake end joint 30, water side joint 40 is affixed, and can only be affixed mutually with adhesive agent, therefore, be only applicable to general low discharge, in the discharging device of low hydraulic pressure, in case be applied to high flow capacity, the discharging device of high hydraulic pressure, as the fire hose of kitchen or sanitary bath equipment first-class, the junction that it sticks together mutually, promptly be subjected to high hydraulic pressure effect to produce the infiltration phenomenon easily, even the generation body breaks away from or the danger of explosion, so the present invention adopts copper pipe 50 welding manufacture methods and structure, can guarantee the structural strength and the safety in utilization of junction, particularly at high flow capacity, in the environment for use of high hydraulic pressure.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. no lead bronze outlet pipe manufacture method is characterized in that: comprise following process steps:
A, mold a copper outer tube with the hydraulic expanding-forming technology in advance, make described outer tube two ends be formed with a water intake end and a water side respectively;
B, run through a lifting rod at described outer tube near processing on the outside wall surface at water intake end place and enter the hole;
C, mold a water intake end joint and a water side joint in advance; Be formed with an entry interface and the lifting rod hole that stretches through on the described water intake end joint, be formed with a water outlet interface on the joint of described water side;
D, moulding in advance make the inner exhalant canal that forms of described copper pipe as the unleaded copper pipe that exhalant canal uses, and two ends are formed with a water intake end and a water side respectively;
E, with the mutual intercalation welding of the entry interface of the water intake end of above-mentioned copper pipe and described water intake end joint, or the water side of above-mentioned copper pipe welded with the mutual intercalation of the water outlet interface of described water side joint;
F, the soldered copper pipe of an above-mentioned end is penetrated described outer tube inside, afterwards, water intake end joint on the end that described copper pipe is soldered or water side joint are welded to each other with relative outer tube water intake end opening or water side opening;
G, above-mentioned not soldered as yet water intake end joint or water side joint are welded to each other with above-mentioned relative outer tube water intake end opening or water side opening, or with the entry interface of above-mentioned not soldered as yet water intake end joint or the water outlet interface and the mutual intercalation welding of above-mentioned relative copper pipe water intake end or water side of water side joint;
H, carry out the surface treatment of outer tube and welding position, can finish above-mentioned no lead bronze outlet pipe product.
2. no lead bronze outlet pipe manufacture method as claimed in claim 1 is characterized in that: described surface treatment comprises that in regular turn one removes the acid pickling step and a surface finish step of greasy dirt.
3. no lead bronze outlet pipe manufacture method as claimed in claim 1 is characterized in that: before described copper pipe two ends were not soldered as yet, the preferential selection was welded to each other the entry interface of its water intake end and described water intake end joint.
4. no lead bronze outlet pipe manufacture method as claimed in claim 3 is characterized in that: described water side joint is not before soldered as yet, and preferential the selection is welded to each other it with relative outer tube water side opening.
5. no lead bronze outlet pipe manufacture method as claimed in claim 1, it is characterized in that: described unleaded copper pipe is a copper tube.
6. no lead bronze outlet pipe manufacture method as claimed in claim 1 is characterized in that: described water intake end joint and water side joint are all respectively by unleaded copper rod machine-shaping.
7. no lead bronze outlet pipe that manufacture method as claimed in claim 1 is obtained is characterized in that: comprising:
One copper outer tube, with the one-body molded curved arc shape that is of hydraulic expanding-forming technology, its inside has a chamber passage, these chamber passage two ends are formed with a water intake end opening and a water side opening respectively, and described copper outer tube wall above described relatively water intake end opening part is provided with a lifting rod and enters the hole;
One water intake end joint has an entry interface and the lifting rod hole that stretches through on it; Described water intake end joint welds together with the water intake end opening of above-mentioned copper outer tube is mutually nested, and this lifting rod is stretched through, and to enter the hole relative for the lifting rod of above-mentioned copper outer tube of Kong Yuqi top;
One water side joint has a water outlet interface on it; Described water side joint can weld together with the water side opening of above-mentioned copper outer tube is mutually nested;
One water outlet copper pipe is made by unleaded copper pipe and to be the curved arc shape, makes the inner exhalant canal that forms of this copper pipe, and two ends are formed with a water intake end and a water side respectively; The mutual intercalation of entry interface of described water intake end and above-mentioned water intake end joint welds together, and described water side then welds together with the mutual intercalation of water outlet interface of above-mentioned water side joint.
8. no lead bronze outlet pipe as claimed in claim 7, it is characterized in that: described water intake end joint bottom is concaved with the hole slot that is spirally connected, described bolt apertures bottom land wall central authorities provide one in order to define the hole of above-mentioned entry interface, after the mutual intercalation welding of the water intake end of above-mentioned copper pipe and described entry interface, its bottom edge flushes mutually with the diapire face of the described hole slot that is spirally connected.
9. no lead bronze outlet pipe as claimed in claim 7, it is characterized in that: described water side joint bottom is concaved with the hole slot that is spirally connected, the diapire central authorities of this hole slot that is spirally connected provide one in order to define the hole of above-mentioned water outlet interface, after the mutual intercalation welding of the water side of above-mentioned copper pipe and this water outlet interface, its bottom edge flushes mutually with the diapire face of this hole slot that is spirally connected.
10. no lead bronze outlet pipe as claimed in claim 7 is characterized in that: described water intake end joint and water side joint all adopt unleaded copper product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910238999A CN102114589B (en) | 2009-12-31 | 2009-12-31 | Manufacturing method and product of lead-free copper water outlet pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910238999A CN102114589B (en) | 2009-12-31 | 2009-12-31 | Manufacturing method and product of lead-free copper water outlet pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102114589A true CN102114589A (en) | 2011-07-06 |
| CN102114589B CN102114589B (en) | 2012-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910238999A Expired - Fee Related CN102114589B (en) | 2009-12-31 | 2009-12-31 | Manufacturing method and product of lead-free copper water outlet pipe |
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| CN (1) | CN102114589B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111702274A (en) * | 2020-07-06 | 2020-09-25 | 台州市路桥三阳泰洁具有限公司 | Water tap outlet pipe and sleeve pressing and fixing mechanism |
| CN112404889A (en) * | 2020-10-10 | 2021-02-26 | 厦门格欧博新材料科技有限公司 | Zinc-coated copper process |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1015524B (en) * | 1990-12-01 | 1992-02-19 | 北京市太阳能研究所 | Technology for making strip-type hot tube vacuum pipe |
| NL9500454A (en) * | 1995-03-07 | 1996-10-01 | Watson B V | Device for coupling two pipes |
| CN2625677Y (en) * | 2003-05-26 | 2004-07-14 | 何堂光 | Plastic-steel combined water tap |
| CN201050629Y (en) * | 2007-01-23 | 2008-04-23 | 阮汉光 | Copper pipe water tap |
| CN101230934A (en) * | 2007-01-23 | 2008-07-30 | 阮汉光 | Method for producing copper pipe water tap |
-
2009
- 2009-12-31 CN CN200910238999A patent/CN102114589B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111702274A (en) * | 2020-07-06 | 2020-09-25 | 台州市路桥三阳泰洁具有限公司 | Water tap outlet pipe and sleeve pressing and fixing mechanism |
| CN112404889A (en) * | 2020-10-10 | 2021-02-26 | 厦门格欧博新材料科技有限公司 | Zinc-coated copper process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102114589B (en) | 2012-09-05 |
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